"Quantile Estimates of Counterfactual Distribution Shifts and the Impact of Minimum Wage Increases on the Wage Distribution", Journal of the Royal Statistical Society Series A, 2012, 175, 263-287 : abstract, paper.

"The Changing Picture of Earnings Inequality in Britain and the Role of Regional and Sectoral Differences" , National Institute Economic Review, 2011, 218, R20-R32 : abstract, paper.